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190195-33-6

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190195-33-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190195-33-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,1,9 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 190195-33:
(8*1)+(7*9)+(6*0)+(5*1)+(4*9)+(3*5)+(2*3)+(1*3)=136
136 % 10 = 6
So 190195-33-6 is a valid CAS Registry Number.

190195-33-6Downstream Products

190195-33-6Relevant academic research and scientific papers

Intramolecular pyridine activation - dearomatization reaction highly stereoselective synthesis of polysubstituted indolizidines and quinolizidines

Barbe, Guillaume,Pelletier, Guillaume,Charette, Andre B.

, p. 3398 - 3401 (2009)

An unprecedented intramolecular pyridine activation-asymmetric dearomatization reaction is described. This process produces 5-substituted indolizidines and 6-substituted quinolizidines in excellent yields and in a highly regio- and diastereoselective fash

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